while ( $line=~/<a href=\"(.*?)\.htm\">/ig ) {

##</code><code>##

<a href="test1.htm"> test1</a><br> <a href="test2.htm"> test2</a><br> <a href="test3.htm"> test3</a><br> 

##</code><code>##

test1"> test1</a><br> <a href="test2

##</code><code>##

test2